From: Shawn Guo <shawnguo@kernel.org>
To: Marek Vasut <marex@denx.de>
Cc: linux-arm-kernel@lists.infradead.org,
Fabio Estevam <festevam@denx.de>,
Frieder Schrempf <frieder.schrempf@kontron.de>,
Lucas Stach <l.stach@pengutronix.de>,
NXP Linux Team <linux-imx@nxp.com>, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH v3] soc: imx: gpcv2: Assert reset before ungating clock
Date: Sun, 21 Aug 2022 21:35:28 +0800 [thread overview]
Message-ID: <20220821133528.GB149610@dragon> (raw)
In-Reply-To: <20220812170802.205244-1-marex@denx.de>
On Fri, Aug 12, 2022 at 07:08:02PM +0200, Marek Vasut wrote:
> In case the power domain clock are ungated before the reset is asserted,
> the system might freeze completely. This is likely due to a device is an
> undefined state being attached to bus, which sporadically leads to a bus
> hang. Assert the reset before the clock are enabled to assure the device
> is in defined state before being attached to bus.
>
> Fixes: fe58c887fb8ca ("soc: imx: gpcv2: add support for optional resets")
> Signed-off-by: Marek Vasut <marex@denx.de>
Applied, thanks!
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prev parent reply other threads:[~2022-08-21 13:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-12 17:08 [PATCH v3] soc: imx: gpcv2: Assert reset before ungating clock Marek Vasut
2022-08-13 11:38 ` Fabio Estevam
2022-08-15 7:53 ` Lucas Stach
2022-08-21 13:35 ` Shawn Guo [this message]
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